config-service/app/Helper/helper.php

<?php
/**
 * 添加自定义辅助函数
 */

if ( ! function_exists('config_path'))
{
    /**
     * Get the configuration path.
     *
     * @param string $path
     * @return string
     */
    function config_path($path = '')
    {
        return app()->basePath() . '/config' . ($path ? '/' . $path : $path);
    }
}

if (! function_exists('public_path')) {
    /**
     * Get the path to the public folder.
     *
     * @param  string  $path
     * @return string
     */
    function public_path($path = '')
    {
        return app()->basePath() . '/public' . ($path ? '/' . $path : $path);
    }


}

/**
 * 参数签名校验
 * @param array $params
 * @return string
 */
function generateSign(array $params, $secret_key)
{
    unset($params['sign']);
    // 将删除参数组中所有等值为FALSE的参数（包括：NULL, 空字符串，0， false）
    $params = array_filter($params);

    // 按照键名对参数数组进行升序排序
    ksort($params);

    // 给参数数组追加密钥，键名为 key， 值为签名配置中配置的 secret_key 的值
    $params['chxq_key'] = $secret_key;

    // 生成 URL-encode 之后的请求字符串
    $str = http_build_query($params);

    $str = urldecode($str);
    // 将请求字符串使用MD5加密后，再转换成大写，并返回
    return strtoupper(MD5($str));
}

/**
 * 验证签名
 * @param $sign
 * @param $params
 * @return bool
 */
function verifySign($sign, $params, $secret_key)
{
    if ($sign == generateSign($params, $secret_key)) {
        return true;
    } else {
        return false;
    };


}

 function jsonSuccess($data = [], $msg = "成功")
{
    $response = array(
        'code' => 0,
        'msg' => $msg,
        'data' => []
    );
    if ($data) {
        if (is_array($data)) {
            //带有分页格式转换
            if (isset($data['meta'])) {
                // 更改元数据格式，全部包含在data下
                $temp = array(
                    'data' => array(
                        'data' => $data['data'],
                        'pagination' => $data['meta']['pagination']
                    )
                );
                $response = array_merge($response, $temp);
            } elseif(isset($data['data'])) {
                $response = array_merge($response, $data);
            }else{
                $temp = array(
                    'data' => $data
                );
                $response = array_merge($response, $temp);
            }
        } else {
            $response['data'] = $data;
        }
    }
    return $response;
}

function jsonError($msg)
{
    $response = array(
        'code' => 1,
        'msg' => $msg,
        'data' => ""
    );
    return $response;
}

function http($url, $param, $method = 'post')
{
    try {
        $client = new \GuzzleHttp\Client();
        $response = $client->request($method, $url, $param);
        $result = json_decode($response->getBody()->getContents(), true);
        \Illuminate\Support\Facades\Log::debug('url:'.$url.'param:'.json_encode($param).'response:'.json_encode($result));
        if (isset($result['code']) && $result['code'] == 0) {
            return $result['data'];
        } else {
            return [];
        }
    } catch (\Exception $exception) {
        return [];
    }

}